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Explains the trends in atomic radius, first ionisation energy, electronegativity, melting point, boiling point and density for the Group 1 elements in the Periodic Table.
PERIODIC TABLE GROUP 2 MENU. Atomic and physical properties . . . Discusses trends in atomic radius, ionisation energy, electronegativity and melting point of the Group 2 elements. Reactions with water . . . Looks at the trends in the reactions between the Group 2 elements and water. Reactions with oxygen . . . Looks at
PERIODIC TABLE GROUP 1 MENU. Atomic and physical properties . . . Discusses trends in atomic radius, ionisation energy, electronegativity, melting and boiling points, and densities of the Group 1 elements. Reactions with water . . . Looks at the trends in the reactions between the Group 1 elements and water. Reactions
Discusses trends in atomic radius, electronegativity, electron affinity and melting and boiling points of the Group 7 elements. It also looks at the bond strengths of halogen-halogen bonds and of hydrogen-halogen bonds. Halogens as oxidising agents . . . Describes and explains the trend in oxidising ability of the Group 7
The trend from non-metal to metal . . . Discusses the trend from non-metallic to metallic behaviour as you go down Group 4. Describes the structures and physical properties of the elements, and some important atomic properties. Oxidation state trends . . . Looks at the increasing tendency towards an oxidation state of +2 as
These topics are covered in various places elsewhere on the site and this page simply brings everything together - with links to the original pages if you need more information about particular points. Atomic Properties. Electronic structures. In Period 3 of the Periodic Table, the 3s and 3p orbitals are filling with electrons.
QUESTIONS AND COMMENTS. Numbering the Groups in the Periodic Table. This page looks at the way that groups of elements in the Periodic Table are numbered - for example, Group 1 containing the metals from lithium to caesium. There is a problem here because the numbering system I am using doesn't correspond
Discusses the trends in first ionisation energy, atomic radius, electronegativity, conductivity, melting point and boiling point as you go across the period from sodium to argon. Reactions of the Period 3 elements . . . The reactions of the elements from sodium to argon with water, oxygen and chlorine. Physical properties of the
Covers the elements sodium to argon in Period 3 of the Periodic Table. Includes trends in atomic and physical properties of the elements, some selected reactions of the elements, and some properties of their oxides, chlorides and hydroxides as required by UK A level syllabuses. Some chemistry of the Group 1 elements .
Support site for Pearson's Edexcel International GCSE chemistry books.

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March 2018